According to your introduction and analysis, the dog is slightly calcium deficient-unstable in walking and poor in digestion and absorption of the stomach. The suggested treatment is as follows.

1. Give calcium to dogs twice a day, two calcium tablets at a time, 1 cod liver oil pills, and feed continuously for 15 days, which may gradually improve;

2. Supplementing the dog with drugs that can strengthen the stomach and help digestion, such as feeding the mother, lactation and vitamin B complex;

3. If there is no deworming for a long time, you can consider gastrointestinal deworming;

4. If the food is monotonous, you can consider adding vitamins, 2 1 jinweita and other trace element additives to supplement nutrition;

for reference only